Service manual

SiENBE07-618_C

iv Table of Contents

Part 7 Removal Procedure ........................................................ 101

1. Outdoor Unit........................................................................................102

1.1 Removal of Outer Panels .....................................................................102

1.2 Removal of Outdoor Fan / Fan Motor...................................................106

1.3 Removal of Electrical Box ....................................................................110

1.4 Removal of PCB...................................................................................115

1.5 Removal of Sound Blanket / Thermistors.............................................118

1.6 Removal of Four Way Valve.................................................................120

1.7 Removal of Electronic Expansion Valve...............................................121

1.8 Removal of Compressor.......................................................................122

Part 8 Trial Operation and Field Settings................................. 125

1. Trial Operation ....................................................................................126

2. Field Settings ......................................................................................127

2.1 When 2 Units are Installed in 1 Room..................................................127

2.2 Facility Setting Switch (cooling at low outdoor temperature)................128

2.3 Jumper and Switch Settings.................................................................128

Application of Silicon Grease to a Power Transistor and a Diode Bridge

.129

Part 9 Appendix......................................................................... 130

1. Piping Diagrams..................................................................................131

1.1 Indoor Unit............................................................................................131

1.2 Outdoor Unit .........................................................................................132

2. Wiring Diagrams..................................................................................133

2.1 Indoor Unit............................................................................................133

2.2 Outdoor Unit .........................................................................................134

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